81results about How to "Efficient descaling" patented technology

The invention discloses a self-cleaning solar vacuum pipe. The solar vacuum pipe is composed of an inner pipe body and an outer pipe body, a liquid storage cavity is formed in the inner bottom of theinner pipe body and contains an evaporating liquid with a low boiling point, and a metal scraping ring which is always in contact with the inner wall of the inner pipe body is slidably connected intothe inner pipe body; a moving device used for pushing the metal scraping ring to move is installed in the inner pipe body and can axially move along the inner pipe body, and the metal scraping ring isfixedly connected to the moving device through a connector. The self-cleaning solar vacuum pipe is novel in concept, incrustation scale on the inner wall of the solar vacuum pipe can be removed, andthe heating efficiency and service life of the solar vacuum pipe are ensured.

The present invention discloses an itaconic acid copolymer, its preparation, its preparation method and its application. Said invention provides the general formula of its chain unit structure which is obtained by utilizing itaconic acid, (methyl) propene sulfosalt, (methyl) hydroxyl acrylate monomer and initiating agent through the polymerization in aqueous solution, said polymer colour is brown-red or caramel, and its pH value is less than or equal to 3.0. Said polymer can be used as scale inhibitor and cleaning agent in water treatment.

The invention discloses an inner surface and outer surface jet flow descaling system for a big-diameter metal pipe wall, which is characterized by comprising at least one spraying unit, wherein the spraying unit is used for simultaneously spraying mixed jet flow to the inner surface and the outer surface of the metal pipe wall and carrying out descaling; the inner surface and outer surface jet flow descaling system at least comprises two groups of spraying units, wherein one group is an inner spraying subunit used for descaling the inner surface of the metal pipe wall, and the other group is an outer spraying subunit used for descaling the outer surface of the metal pipe wall; the descaling system also comprises an actuating mechanism used for realizing a purpose that the big-diameter metal pipe wall carries out spiral motion; and therefore, the big-diameter metal pipe wall realizes the rotating motion around the self axis while axially moving. According to a special arrangement mode of mixed jet flow nozzles and a special motion mode of the big-diameter cold-state metal pipe wall, a continuous efficient mode that roll scales on the inner surface and the outer surface of the big-diameter cold-state metal pipe wall are synchronously removed can be realized so as to satisfy the processing requirement of the post-process.

The invention belongs to the technical field of a chemical descaling cleaning compound, and concretely relates to a scale remover used for cleaning a hot-blast stove and a boiler and accessories thereof, and a cleaning method thereof. The scale remover solves the technical problems that severe metal corrosion is generated when the current scale removers are used for cleaning the hot-blast stove and the boilers, secondary oxidation is easily generated, and metal surface fineness is poor. For solving the above technical problems, the invention provides the scale remover used for cleaning hot-blast stove and boiler and accessories thereof, the scale remover comprises the following raw materials by weight: 8-10% of hydrochloric acid, 1-6% of sodium fluoride, 1.5-3% of trisodium phosphate, 0.6% of corrosion inhibitor, 1.5-3% of osmotic agent and the balance of water. The scale remover has the advantages that descaling efficiency is high, no toxic and side effect is generated, no environmental pollution is generated on the waste after descaling, and a protection film is formed on the metal surface to prolong the equipment usage life.

The invention discloses a method for clearing shell side scale of a shell and tube heater in monoammonium phosphate production on line, which comprises: (1) preparing cleaning solution consisting of 20 to 40 percent of phosphoric acid (in form of P2O5), 30 to 40 percent of nitric acid, 60 to 98 percent of sulfuric acid and 10 to 15 percent of fluosilicic acid in a mass ratio of 5:3:1:1; (2) placing a container serving as a cleaning circulating tank and a conveying pump connected with a cleaning solution outlet pipe on a mobile cart, moving the mobile cart toward the shell and tube heater of which the scale is to be cleared, connecting the conveying pump with an acid inlet at the lower part of the shell side of the heater and connecting the acid outlet on the upper part of the shell side of the heater with the container by a conduit; and (3) starting the conveying pump during the periodical stop of the device, feeding the cleaning solution the shell side of the heater to clean the shell side of the heater circularly, and introducing low-pressure steam from the bottom of the heater for heating. In the method, the online scale clearing can be realized flexibly without detaching the heater and with small investment; the equipment configuration is simple; the scale are cleared obviously; and cleaning is performed once a year. The method is applicable for monoammonium phosphate manufacturers.

The invention relates to a soil heavy metal pollution treatment technology, and concretely relates to a soil heavy metal deactivator, and a method using the soil heavy metal deactivator to deactivate and repair soil heavy metal pollution. The soil heavy metal deactivator comprises, by weight, 30 parts of peanut shells, 15 parts of red pine needles, 10 parts of sepiolite, 10 parts of fly ash, 5 parts of chitin, 3 parts of sodium metasilicate pentahydrate, 0.4 part of sodium tripolyphosphate, 0.1 part of choline chloride, 1.2 parts of a microbial inoculum and 0.05 part of quicklime. The soil heavy metal deactivator can effectively reduce the heavy metal content of plants to achieve the deactivation and repairing purposes.

The invention belongs to the technical field of cleaning an automobile cooling system, and particularly discloses a cleaning agent of the automobile cooling system and a preparation method thereof. The cleaning agent of the automobile cooling system mainly comprises the following components in percentage by weight: 10 to 12 percent of glycollic acid, 5 to 8 percent of sulfonic acid, 3 to 6 percent of acid cleaning inhibitor and the balance of water. The preparation method comprises the following steps of: (1) taking water, adding the sulfonic acid and the glycollic acid into the water, and then uniformly stirring the mixture; and (2) adding the acid cleaning inhibitor into the mixture obtained in the step (1), and then uniformly stirring the latter mixture to obtain a finished product. The cleaning agent is subjected to a large number of scientific experiments and internal practical application for years to prove that the cleaning agent not only has high cleaning and pollutant removal effects, but also overcomes the defect of corrosion.

The invention discloses a scale removing device for a heat exchange pipe. The scale removing device comprises a cooling beam (2), a spray gun (3) and a spray nozzle (4), wherein the cross section of the cooling beam (2) is of a C-shaped tubular structure; the spray gun (3) is arranged in an internal chamber of the cooling beam (2) through a spray gun sleeve (1); and the spray nozzle (4) extends out of the cooling beam (2) through a C-shaped gap. According to the technical scheme, the spray gun can rotate in the cooling beam, and also can be moved by stepping; spraying particular mediums are sprayed on a heat exchanger full of dirt through the spray gun at a high speed for removing the scale, so as to achieve the purpose of efficiently removing the scale and improving the working efficiency of the heat exchanger, and as a result, the purpose of saving energy and reducing the consumption can be achieved; the spray gun is cooled through cooling water in the cooling beam, therefore, the problem that the spray gun cannot work with high efficiency due to excessive heat during running in a high temperature condition can be avoided.

The invention provides a strong magnetic and high-efficiency antiscaling and descaling device and relates to an environment-friendly, energy-saving and safe device for antiscaling and descaling by using super-strong magnetic force. The device is applicable to heat exchange equipment, such as boilers, cooling towers, evaporators and condensers for matching use, and has advantages of being capable of avoiding formation of scale deposit and removing the original scale deposit, greatly improving heat exchange efficiency of the heat exchange equipment, saving energy and ensuring safe operation of boilers. The device comprises an outer shell and an inner tube, wherein, the inner tube is arranged inside the outer shell, internally provided with at least one plunger tube to form at least two magnetized descaling part tubes, and the plunger tube is intercommunicated with the magnetized descaling part tubes; and at least two magnetized units which are attached and arranged at outer edges of themagnetized descaling part tubes and each one consists of two strong-magnetic force permanent magnets with the N poles opposite to the S poles, wherein, a non-magnetic metallic body is arranged betweenthe two strong-magnetic force permanent magnets to form magnetized descaling parts, and the strong-magnetic force permanent magnets of the two magnetized descaling parts of two adjacent plunger tubesare arranged in a vertical and interlacing mode.

The invention relates to methods for processing and preventing water scales in a geothermal system. The methods for processing and preventing the water scales in the geothermal system are characterized by aiming at solving the problems that in the geothermal system, mineral content is high and water scales are easily formed. The methods for processing and preventing the water scales in the geothermal system are capable of comprehensively solving the problem of the water scales in the geothermal system. The method for processing the water scales in the geothermal system comprises a mechanical method and a chemical method. In the chemical method for processing the water scales, not only are the water scales removed, but also a chemical compound obtained by reaction of an anti-scaling agent and the water scales is further recovered and processed. The water scales are changed into a product. The number of product chains of the system is increased. Full utilization of the materials is achieved. The method for preventing the water scales in the geothermal system comprises addition of water softener and an ion-exchange resin method. In the ion-exchange resin method, adsorbed ions in resin can be eluted through low-price regeneration liquid, and regeneration and repeated utilization of ion-exchange resin are achieved, wherein the adsorbed ions are low in price. Therefore, cost is reduced, and environment is protected. The methods for processing and preventing the water scales in the geothermal system are simple in process, economical in reagent, multiple in alternative scheme, capable of effectively solving and preventing the problem of the water scales in the geothermal system.

The invention discloses an in-pipe combined type visual automatic descaling device which comprises an ultrasonic descaling assembly, a mechanical descaling assembly and a power assembly. The ultrasonic descaling assembly comprises an inner shaft, a four-way connector, a claw head arm rod, an arm rod supporting rod and an ultrasonic descaling claw head. The mechanical descaling assembly comprises a connecting ring, a supporting wheel, a device cavity, a wheel brush, an outer rotor motor, a jet flow component and a connecting disc. The power assembly is fixedly installed at the side, away from the jet flow component, of the connecting disc, and an infrared camera is installed at the other end of the power assembly. The invention further discloses an in-pipe combined type visual automatic descaling method. According to the in-pipe combined type visual automatic descaling device and the descaling method provided by the invention, pipelines with different sizes and in various scaling forms can be cleaned stably and efficiently on the premise that the pipelines are not damaged, and the descaling effect is visualized.

The invention provides an ultrasonic electric kettle. The ultrasonic electric kettle includes a kettle lid, a kettle body, a base and a heating device; the electric kettle is also provided with an ultrasonic water quality detection and descaling device, and the ultrasonic water quality detection and descaling device includes an ultrasonic wave generator, an ultrasonic wave receiver, an ultrasonictransducer and a controller. The controller is connected with the ultrasonic wave generator, the ultrasonic wave receiver and the ultrasonic transducer. The ultrasonic electric kettle is easy to operate, the work efficiency of the ultrasonic transducer is improved, the electric energy is saved, the descaling effect is more effective, harmful substances in water are volatilized, and the improvementof the water quality is facilitated.

The present invention is directed to a composition, and a process employing same, for descaling, cleaning and inhibiting the corrosion of process equipment made of steel by including an inhibitory effective amount of acridine orange in the composition.

The invention discloses a column-shaped energy-saving steam generator. The column-shaped energy-saving steam generator comprises a shell, a water inlet pipe, a steam outlet and a control circuit. The column-shaped energy-saving steam generator is characterized in that a steam inner container is arranged inside the shell, an inner cavity of the steam inner container is provided with a spiral steam guide plate, a spiral steam channel is formed between the spiral steam guide plate and the side wall of the inner cavity of the steam inner container, the upper end of the steam inner container is connected with the water inlet pipe, and the lower end of the steam inner container is connected with the steam outlet; and a heat preservation layer is wrapped outside the steam inner container, and an inductance coil is wound on the heat preservation layer and connected with the control circuit. The column-shaped energy-saving steam generator is small in size, occupies small space, does not need a water boiling process, and is high in efficiency and low in energy consumption. Through path heating, high-temperature steam at the temperature of 180 DEG C or above can be generated under normal pressure, descaling can be conducted efficiently, and thus market requirements are greatly met, and the column-shaped energy-saving steam generator is suitable for being widely used and popularized.

The invention relates to the technical field of household article processing, and discloses a dirt removing device for a square mahjong mattress. The device includes a body, a support frame, two electric lift bars, a bearing plate, a fixing frame, a transmission group, a drive motor, a brush roller group, a multi-pass nozzle, a water guide joint, an inner case, a low speed motor, a lateral adjusting mechanism, a transverse chute, two transverse connecting blocks, two contact mechanisms, four fixing members, four vertical adjusting mechanisms, four connecting spring plates, four clamping mechanisms, a control panel, two auxiliary sliding grooves and four sliding balls, the support frame are mounted directly above the body, the two electric lift bars are symmetrically mounted on the inner top of the support frame, and the bearing plate is fixedly connected to the ends of the two electric lift bars. The dirt-removing device of the square mahjong mattress effectively removes dirt in the gap between the mattress blocks of the mahjong mattress, thereby solving the problem that the traditional mattress cleaning device cannot effectively remove the dirt in the gap between the mattress blocks of the mahjong mattress.

The invention aims to provide an on-line clearing method of dilute acid pipe scales in phosphate ore magnesium-removing and ore-dressing production and solves the problem in the prior art that the manual cleaning of a dilute acid pipe is time-consuming and labor-consuming in the phosphate ore magnesium-removing and ore-dressing production. The on-line clearing method comprises the following steps: configuring cleaning liquid composed of sulfuric acid and water in a dilute acid configuration tank, wherein the volume ratio of the sulfuric acid to the water is 1:(5-20); then introducing low-pressure steam in the dilute acid configuration tank to heat; conveying the heated cleaning liquid into a dilute acid pipe by using a conveying pump to clean under the situation of no parking. The on-line clearing method has the benefits that the on-line clearing of the scales is realized, no pipe needs to be disassembled, no investment is required, the maneuverability is realized, and no extra equipment needs to be arranged; the scale removal is more obvious, the cleaning is required once a month, and time and labor are saved.

The invention discloses a vapor generator, a descaling control method and a descaling control device thereof, and an electric appliance. The descaling control method comprises the following steps of real-time monitoring the temperature of the vapor generator during an operation process; generating a temperature cycling curve according to the temperature of the vapor generator during the operation process; comparing the temperature cycling curve and a preset temperature initial curve so as to obtain a comparative result; and judging whether the vapor generator needs to be controlled to be descaled or not according to the comparative result. According to the method, the temperature of the vapor generator during the operation process is real-time monitored, and whether the vapor generator needs to be descaled or not is accurately judged, so that the effectively intelligent descaling of the vapor generator can be realized.

The invention discloses a multilevel heating apparatus and method for a high-salt waste water supercritical water oxidation system, which belongs to the technical fields of chemical industry and environmental protection. The multilevel heating apparatus is formed by serially connecting a plurality of heating units, wherein each heating unit comprises a long straight pipe, a slide-rail pipeline heater, a thermometer and a pressure gauge, the heating units are connected by virtue of short straight pipes, and the heating unit is provided with parts such as a detachable insulating sleeve, an ultrasonic pipeline scale remover, a filter and an auxiliary material inlet. The conventional heating apparatus is divided into a plurality of heating units, the defects of the conventional electric heaterthat the heating pipes are intensively distributed and no additional operation space is provided can be solved, and conditions are provided for adding a pipeline filter, the ultrasonic pipeline scaleremover and a chemical inlet. When the high-salt waste water is heated, the crystallization blockage position of inorganic salts can be precisely positioned by virtue of temperature and pressure measure points, so that the scale can be removed on purpose by independently using or jointly using multiple means.